similar command of ptree in linux Post: 302496038

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[Tip] ptree for Linux

Unix (and Linux) uses a process tree that gives a natural security, by simple inheritance of attributes. The following ptree script shows it. It runs on all Linux flavors. Mostly useful for debugging. #!/bin/sh # Solaris style ptree && exec /usr/bin/ptree "$@" ...

LEARN ABOUT HPUX

ptree

ptree(1)						      General Commands Manual							  ptree(1)

NAME

       ptree - prints the process tree hierarchy

SYNOPSIS

       [pid1|username1 [pid2|username2]...]

DESCRIPTION

       prints  the process tree of all processes that match the specified arguments.  While printing the tree, the child processes are indented to
       the right from their respective parent processes.

   Options
       Prints the tree starting from the children of
		 (usually pid 0).  The default is to print the tree starting from the children of (pid 1).

   Operands
       pid	 Print the process tree for the process ID number specified by pid.

       username  Print the process tree for all the processes from the user specified by username.  Note that only username (and not user ID)  can
		 be specified for this instance.

       If no operands are specified, then prints the process tree of all processes starting from the children of or (if is specified).

EXTERNAL INFLUENCES

   Environment Variables
       If is not specified or is null, it defaults to (see lang(5)).

EXAMPLES

       Print the process tree for pid 100 and for all processes owned by

WARNINGS

       Process information can change while is running; the tree displayed by is only a snapshot in time.  Some data printed for defunct processes
       is irrelevant.

       Users of must not rely on the exact field widths and spacing of its output, as these will vary depending on the system and the  release	of
       HP-UX.

SEE ALSO

       pgrep(1), pkill(1), ps(1), fork(2).

																	  ptree(1)